// Verify bytes written
        assertTrue(bytesWritten > 0);
        assertEquals(19, bytesWritten); // 2 + 13 + 2 + 2

        // Verify NET_SHARE_ENUM command (2 bytes)
        assertEquals(SmbComTransaction.NET_SHARE_ENUM, dst[0]);
        assertEquals(0, dst[1]);

        // Verify descriptor (WrLeh\0B13BWz\0 in ASCII - 13 bytes)
        String expectedDescr = "WrLeh\u0000B13BWz\u0000";

import (
	"bytes"
	"testing"

	"github.com/tinylib/msgp/msgp"
)

func TestMarshalUnmarshalmetacache(t *testing.T) {
	v := metacache{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

  /** Number of bytes to be filled before process() invocation(s). */
  private final int bufferSize;

  /** Number of bytes processed per process() invocation. */
  private final int chunkSize;

  /**
   * Constructor for use by subclasses. This hasher instance will process chunks of the specified
   * size.
   *
   * @param chunkSize the number of bytes available per {@link #process(ByteBuffer)} invocation;

  }

  /**
   * Writes all the given bytes to this sink.
   *
   * @throws IOException if an I/O occurs while writing to this sink
   */
  public void write(byte[] bytes) throws IOException {
    checkNotNull(bytes);

    try (OutputStream out = openStream()) {
      out.write(bytes);
    }
  }

  /**
   * Writes all the bytes from the given {@code InputStream} to this sink. Does not close {@code

  }

  /**
   * Writes all the given bytes to this sink.
   *
   * @throws IOException if an I/O occurs while writing to this sink
   */
  public void write(byte[] bytes) throws IOException {
    checkNotNull(bytes);

    try (OutputStream out = openStream()) {
      out.write(bytes);
    }
  }

  /**
   * Writes all the bytes from the given {@code InputStream} to this sink. Does not close {@code

        NegTokenTarg original = new NegTokenTarg(NegTokenTarg.ACCEPT_COMPLETED, mech, tokenArray, mic);

        // Act – serialise and parse back
        byte[] bytes = original.toByteArray();
        NegTokenTarg roundTrip = new NegTokenTarg(bytes);

        // Assert – all getters match the original values
        assertEquals(NegTokenTarg.ACCEPT_COMPLETED, roundTrip.getResult(), "result should roundtrip");

     * context and count, and leaving (buffering) the remaining bytes in buffer
     * for the next update or finish.
     *
     * @param    input    input block
     * @param    offset    start of meaningful bytes in input
     * @param    len        count of bytes in input block to consider
     */
    @Override

        }

        @Override
        int writeParameterWordsWireFormat(byte[] dst, int dstIndex) {
            System.arraycopy(paramWords, 0, dst, dstIndex, paramWords.length);
            return paramWords.length;
        }

        @Override
        int writeBytesWireFormat(byte[] dst, int dstIndex) {
            System.arraycopy(bytes, 0, dst, dstIndex, bytes.length);
            return bytes.length;

    }

    /**
     * Get preferred send size
     *
     * @return preferred send size in bytes
     */
    public int getPreferredSendSize() {
        return preferredSendSize;
    }

    /**
     * Set preferred send size
     *
     * @param preferredSendSize preferred send size in bytes
     */
    public void setPreferredSendSize(int preferredSendSize) {

        // Set up the buffer with test data
        // sid (2 bytes)
        buffer[0] = 0x01;
        buffer[1] = 0x00;
        // numEntries (2 bytes)
        buffer[2] = 0x05;
        buffer[3] = 0x00;
        // isEndOfSearch (2 bytes, bit 0 of first byte)
        buffer[4] = 0x01; // end of search = true
        buffer[5] = 0x00;
        // eaErrorOffset (2 bytes)
        buffer[6] = 0x00;
        buffer[7] = 0x00;